/// <summary>
/// 验证请求是否有效
/// </summary>
/// <param name="requestHeader"></param>
protected override void ValidateRequest(RequestHeader requestHeader)
{
// check for server error.
ServiceResult error = ServerError;
if (ServiceResult.IsBad(error))
{
throw new ServiceResultException(error);
}
// check server state.
ServerInternalData serverInternal = m_serverInternal;
if (serverInternal == null || !serverInternal.IsRunning)
{
throw new ServiceResultException(StatusCodes.BadServerHalted);
}
if (requestHeader == null)
{
throw new ServiceResultException(StatusCodes.BadRequestHeaderInvalid);
}
}
/// <summary>
/// 启动服务
/// </summary>
/// <param name="configuration"></param>
protected override void StartApplication(ApplicationConfiguration configuration)
{
lock (m_lock)
{
try
{
// create the datastore for the instance.
m_serverInternal = new ServerInternalData(
ServerProperties,
configuration,
MessageContext,
new CertificateValidator(),
InstanceCertificate);
// create the manager responsible for providing localized string resources.
ResourceManager resourceManager = CreateResourceManager(m_serverInternal, configuration);
// create the manager responsible for incoming requests.
RequestManager requestManager = new RequestManager(m_serverInternal);
// create the master node manager.
MasterNodeManager masterNodeManager = new MasterNodeManager(m_serverInternal, configuration, null);
// add the node manager to the datastore.
m_serverInternal.SetNodeManager(masterNodeManager);
// put the node manager into a state that allows it to be used by other objects.
masterNodeManager.Startup();
// create the manager responsible for handling events.
EventManager eventManager = new EventManager(m_serverInternal, (uint)configuration.ServerConfiguration.MaxEventQueueSize);
// creates the server object.
m_serverInternal.CreateServerObject(
eventManager,
resourceManager,
requestManager);
// create the manager responsible for aggregates.
m_serverInternal.AggregateManager = CreateAggregateManager(m_serverInternal, configuration);
// start the session manager.
SessionManager sessionManager = new SessionManager(m_serverInternal, configuration);
sessionManager.Startup();
// start the subscription manager.
SubscriptionManager subscriptionManager = new SubscriptionManager(m_serverInternal, configuration);
subscriptionManager.Startup();
// add the session manager to the datastore.
m_serverInternal.SetSessionManager(sessionManager, subscriptionManager);
ServerError = null;
// set the server status as running.
SetServerState(ServerState.Running);
// monitor the configuration file.
if (!String.IsNullOrEmpty(configuration.SourceFilePath))
{
var m_configurationWatcher = new ConfigurationWatcher(configuration);
m_configurationWatcher.Changed += new EventHandler <ConfigurationWatcherEventArgs>(this.OnConfigurationChanged);
}
CertificateValidator.CertificateUpdate += OnCertificateUpdate;
//60s后开始清理过期服务列表,此后每60s检查一次
m_timer = new Timer(ClearNoliveServer, null, 60000, 60000);
Console.WriteLine("Discovery服务已启动完成,请勿退出程序!!!");
}
catch (Exception e)
{
Utils.Trace(e, "Unexpected error starting application");
m_serverInternal = null;
ServiceResult error = ServiceResult.Create(e, StatusCodes.BadInternalError, "Unexpected error starting application");
ServerError = error;
throw new ServiceResultException(error);
}
}
}
